<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="关联栏目ID" prop="itemId">
        <el-input v-model="queryParams.itemId" placeholder="请输入关联栏目ID" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="文章名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入文章名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="导读" prop="intro">
        <el-input v-model="queryParams.intro" placeholder="请输入导读" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="显示顺序" prop="postSort">
        <el-input v-model="queryParams.postSort" placeholder="请输入显示顺序" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['cms:article:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['cms:article:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['cms:article:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['cms:article:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="articleList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="ID" align="center" prop="id" width="50" />
      <el-table-column label="关联栏目ID" align="center" prop="itemId" />
      <el-table-column label="文章名称" align="center" prop="name" />
      <el-table-column label="导读" align="center" prop="intro" />
      <el-table-column label="显示顺序" align="center" prop="postSort" />
      <el-table-column label="状态" align="center" prop="status" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['cms:article:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['cms:article:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改站点文章对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="关联栏目" prop="itemId">
          <el-select v-model="form.itemId" reserve-keyword placeholder="请输入关联栏目关键词" :remote-method="remoteMethod"
            :loading="loading">
            <el-option v-for="item in selectOptions" :key="item.value" :label="item.label" :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="文章名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入文章名称" />
        </el-form-item>
        <el-form-item label="导读" prop="intro">
          <el-input v-model="form.intro" placeholder="请输入导读" />
        </el-form-item>
        <el-form-item label="文章内容">
          <editor v-model="form.content" :min-height="192" />
        </el-form-item>
        <el-form-item label="显示顺序" prop="postSort">
          <el-input v-model="form.postSort" placeholder="请输入显示顺序" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listArticle,
  selectItems,
  getArticle,
  delArticle,
  addArticle,
  updateArticle,
} from "@/api/cms/article";

export default {
  name: "Article",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 站点文章表格数据
      articleList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      selectOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        itemId: null,
        name: null,
        intro: null,
        content: null,
        postSort: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        itemId: [
          { required: true, message: "关联栏目ID不能为空", trigger: "blur" },
        ],
        name: [
          { required: true, message: "文章名称不能为空", trigger: "blur" },
        ],
        content: [
          { required: true, message: "文章内容不能为空", trigger: "blur" },
        ],
        postSort: [
          { required: true, message: "显示顺序不能为空", trigger: "blur" },
        ],
        status: [{ required: true, message: "状态不能为空", trigger: "blur" }],
      },
    };
  },
  created() {
    this.getList();
    this.selectItems();
  },
  methods: {
    /** 查询站点文章列表 */
    getList() {
      this.loading = true;
      listArticle(this.queryParams).then((response) => {
        this.articleList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    selectItems() {
      this.loading = true;
      selectItems().then((response) => {
        this.selectOptions = response.data;
        this.loading = false;
      })
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        itemId: null,
        name: null,
        intro: null,
        content: null,
        postSort: null,
        status: "0",
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加站点文章";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getArticle(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改站点文章";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updateArticle(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addArticle(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除站点文章编号为"' + ids + '"的数据项？')
        .then(function () {
          return delArticle(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "cms/article/export",
        {
          ...this.queryParams,
        },
        `article_${new Date().getTime()}.xlsx`
      );
    },
  },
};
</script>
